Check the listing for details. Hypro 9910-D50 / AR50-SP Diaphragm Pump. Condition: New. Listed at 1029.75 USD. Hypro 9910-D50 / AR50-SP Diaphragm Pump. A premier choice for medium pressure spraying applications, this two diaphragm pump features durable BlueFlex diaphragms and aluminum liquid handling parts to permit the handling of a variety of common agricultural chemicals, including herbicides, insecticides, liquid fertilizers, de-icing materials, and other hard-to-handle fluids. Perfect for optimizing your small-to-mid sized sprayer's performance in a range of spraying tasks, including crop spraying, agricultural spraying, lawn / turf spraying, de-icing, and more. Recommended Pressure Regulator: Annovi Reverberi GI40, GIC40. Recommended Gearbox: Annovi Reverberi AR1636 Gearbox for attaching to 5-6.5 HP gasoline engines with 3/4" keyed shafts or AR1639 Gearbox for attaching to 8-18 HP gasoline engines with 1" shafts. Specifications:Max. Flow Rate: 14.8 gpmMax. Pressure: 580 psiMax. Rated Speed: 550 RPMMax. Fluid Temperature: 140° FMax. Power: 5.2 HPPort Sizes: 1 1/4" inlet, 1/2" NPT outletShaft: Flanged shaft for shaft kitsAluminum bodyRilsan-coated aluminum liquid handling partsTwo semi-hydraulic BlueFlex diaphragmsNBR sealsDie-cast casing with oil-immersed mechanismAir-hydraulic damperOil drainage stopperMetal fasteners with galvanized finishWeight: 39.5 lb.